Encrypt PDF and Merge PDF for Mobile Gratis
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Note: Integration described on this webpage may temporarily not be available.
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Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Every PDF tool you need to get documents done paper-free

Create & edit PDFs
Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.

Fill out & sign PDF forms
Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.

Organize & convert PDFs
Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.

Collect data and approvals
Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.

Export documents with ease
Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.

Store documents safely
Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.
Customer trust by the numbers
64M+
users worldwide
4.6/5
average user rating
4M
PDFs edited per month
9 min
average to create and edit a PDF
Join 64+ million people using paperless workflows to drive productivity and cut costs
Why choose our PDF solution?
Cloud-native PDF editor
Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.
Top-rated for ease of use
Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.
Industry-leading customer service
Enjoy peace of mind with an award-winning customer support team always within reach.
What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
It has been very helpful. The user interface is not difficult to navigate. I am cancelling only because I do not have the volume of documents to warrant the cost. But when this changes I will certainly return.
2015-08-13
good. It took awhile for me to figure out how to print it, but it thought I was on actual disability website and when found it was a fee I got discouraged because I felt it was misleading, but after I used it I felt better.
2017-05-22
I was online with 3 support people and they were great !! They went over with me what I needed to do . The all earned a gold star today.Thanks for having your sight
2018-01-31
I subscribed to the PDF filler app on…
I subscribed to the PDF filler app on Google. And without asking me they charged me. Then I contacted them and they didn't want refund my money until I told them that I was going to let everybody know about their app.
2023-04-16
AWESOME SOFTWARE
Great software, the only challenge I had was the sign in process. I have had a few accounts as I had challenges signing in and ended up making additional accounts. This could be user error but I am sure others have had this issue also.
2022-08-29
This is a great program if you need this service. We needed it at one time, but did not realize we could do this on line. I would recommend it to anyone who is in the business of needing documents filled out, signed and delivered.
2022-08-10
What do you like best?
It is much easier to use than Adobe Acrobat. Much more intuitive functions and file management. It has saved me a ton of time with the cloud storage of documents. I have used effectively for construction related documents.
What do you dislike?
Very rarely I have needed to use another platform because some municipalities require it but 98% of what I need to do is supported.
What problems are you solving with the product? What benefits have you realized?
Remote completion of forms and extracting text from PDF documents mostly.
2021-02-16
PDF filter have an Exceptionally great after sales service.
PDF filter have an exceptionally great after sales service. The customer care is beyond words good. Highly transparent and accommodating. Im quite happy with how they dealt with my queries. This is a very professional organisation. The software is amazing too.
2020-12-26
I have found the software to be easy to use and has features that similar sites don't have. I have not yet spent much time to learn all of its features but I plan to. I would like to create forms and sell them on your platform. I would like to create some form that would allow a business to evaluate and identify its essential functions so that they may operate efficiently in times of, say a global pandemic.
2020-11-25
Encrypt PDF and Merge PDF for Mobile
Protect your sensitive documents and conveniently combine files with the Encrypt PDF and Merge PDF for Mobile feature. This solution empowers you to maintain privacy while ensuring your information is organized efficiently.
Key Features
Encrypt documents with passwords for secure access
Merge multiple PDF files into one seamless document
User-friendly interface for easy navigation
Fast processing without loss of quality
Compatible with various mobile devices
Potential Use Cases and Benefits
Safeguard confidential information for work or personal use
Combine reports, presentations, or contracts for streamlined sharing
Simplify document management for students or professionals
Enhance collaboration by sending a single, secure file
Organize travel itineraries or important paperwork in one place
This feature addresses your need for security and organization. You can easily protect sensitive information while combining files to improve workflow. With Encrypt PDF and Merge PDF for Mobile, you gain confidence in handling documents efficiently, ensuring that your data remains secure and accessible.
For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
How do I combine encrypted PDF files?
Run the tool, click on Add files / Add Folder option to insert PDFs & enter the password.
Click on the Merge option and hit the Next button.
Choose the desired Merge option and select the destination path.
How do I combine PDF files on my phone?
Select a file in the PDF Viewer file browser by long pressing on the cover image of the PDF. This will start the multi-file selection mode.
Select additional files for merging by tapping them.
Once you're done selecting files, press the merge icon in the multi-file selection bar at the bottom.
How do I encrypt a PDF on Android?
Then open the PDF in it, that you want to encrypt. Select the file > security > open password > assign a strong password > click build.
How do I combine secured PDF files?
File→Create for creating a new PDF file.
Choose Combine Files Into a Single PDF option.
Click on Add File, add all the PDF files you want to merge.
Add password of the locked PDF files.
Click on Combine.
File→Saves to save the PDF file.
How to Encrypt PDF and Merge PDF for Mobile - video instructions
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